IBTIvsGOVTETF Comparison
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iShares iBonds Dec 2028 Term Treasury ETF (IBTI) and iShares U.S. Treasury Bond ETF (GOVT) belong to the same industry segment: US Government Bonds. Both ETFs have the same top 2 sector exposures: Sovereign and Non-Corporate. IBTI is more expensive with a Total Expense Ratio (TER) of 0.07%, versus 0.05% for GOVT. IBTI is up 0.84% year-to-date (YTD) with +$630M in YTD flows. GOVT performs worse with -0.34% YTD performance, and +$9.38B in YTD flows. Run a side-by-side ETF comparison of IBTI and GOVT below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IBTI vs GOVT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/28/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IBTI GOVT | +0.25%-0.19% | +0.47%-0.37% | +0.84%-0.34% | +2.28%+1.19% | +13.94%+10.63% | -0.10%-4.24% |
| Flows | IBTI GOVT | +$113M-$1.67B | +$318M+$777M | +$630M+$9.38B | +$956M+$15.00B | +$1.88B+$18.56B | +$2.01B+$30.34B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IBTI GOVT | +1.35%+3.56% | +1.45%+3.47% | +3.16%+4.77% | +4.98%+5.67% |
| Max drawdown | IBTI GOVT | -0.27%-1.52% | -1.08%-2.89% | -2.74%-4.87% | -15.66%-16.48% |
| Max drawdown duration | IBTI GOVT | 14d60d | 156d180d | 160d318d | 1793d1809d |
Trading data
IBTI | GOVT | |
Last sale 8/28/2026 at 1:30 PM | $22.08 | $22.46 |
| Previous close 08/27/2026 | $22.12 | $22.53 |
| Consolidated volume 08/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IBTI | GOVT | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 8/28/2026 at 1:30 PM
Live
Closed
IBTI | GOVT | |
|---|---|---|
| Last price | $22.08 | $22.46 |
| 1D performance | -0.16% | -0.31% |
| AuM | $2.02 B | $41.86 B |
| E/R | 0.07% | 0.05% |
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Exposure
Countries
IBTI
USA
100%
Other
0%
GOVT
USA
100%
Other
-0%
Sectors
IBTI
Sovereign
99.84%
Other
0.16%
GOVT
Sovereign
99.82%
Other
0.18%
Diversification
IBTI
Total weight of top 15 holdings out of 15
39.09%
GOVT
Total weight of top 15 holdings out of 15
27.58%
Top 15 holdings
Data as of July 31, 2026
IBTI
USA, Notes 3.5% 31jan2028, USD (U-2028)
4.54%
USA, Notes 3.375% 29feb2028, USD (AY-2028)
2.72%
USA, Notes 3.75% 30apr2028, USD (BA-2028)
2.55%
USA, Notes 4.125% 30jun2028, USD (BD-2028)
2.49%
USA, Notes 2.875% 15aug2028, USD (E-2028)
2.49%
USA, Notes 3.5% 15oct2028, USD (AT-2028)
2.47%
USA, Notes 3.875% 15jul2028, USD (AQ-2028)
2.46%
USA, Notes 2.875% 15may2028, USD (C-2028)
2.45%
USA, Notes 3.5% 15nov2028, USD (AU-2028)
2.45%
USA, Notes 3.5% 15dec2028, USD (AV-2028)
2.44%
USA, Notes 3.875% 31mar2028, USD (AZ-2028)
2.42%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.41%
USA, Notes 1.125% 31aug2028, USD (P-2028)
2.41%
USA, Notes 4% 31may2028, USD (BC-2028)
2.40%
USA, Notes 1.125% 29feb2028, USD (H-2028)
2.39%
GOVT
USA, Notes 1.375% 15nov2031, USD (F-2031)
5.29%
USA, Notes 2.625% 15feb2029, USD (B-2029)
2.98%
USA, Notes 2.75% 15feb2028, USD (B-2028)
2.66%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.09%
USA, Notes 2.875% 15may2028, USD (C-2028)
1.62%
USA, Bonds 2.5% 15may2046, USD
1.50%
USA, Bonds 1.875% 15feb2051, USD
1.49%
USA, Bonds 2.75% 15nov2042, USD
1.48%
USA, Bonds 6.125% 15nov2027, USD
1.40%
USA, Bonds 3.75% 15nov2043, USD
1.39%
USA, Notes 2.25% 15nov2027, USD (F-2027)
1.37%
USA, Notes 4% 31may2028, USD (BC-2028)
1.21%
USA, Notes 2.375% 15may2029, USD (C-2029)
1.08%
USA, Notes 4% 31may2030, USD (Z-2030)
1.01%
USA, Notes 4% 15feb2034, USD (B-2034)
1.01%
Frequently asked questions about IBTI and GOVT
How have the IBTI and GOVT ETFs performed in 2026?
As of August 28, 2026, IBTI is up 0.84% year-to-date (YTD), while GOVT has lost -0.34%. That puts IBTI better performer ahead so far this year.
Which ETF is attracting more investor money: IBTI or GOVT?
Year-to-date, the IBTI ETF saw +$630M in flows, compared to +$9.38B for GOVT.
Which ETF is more volatile: IBTI or GOVT?
Over the past year, IBTI had a volatility of 1.45%, while GOVT experienced 3.47%.
Which ETF is bigger: IBTI or GOVT?
As of August 28, 2026, IBTI holds $2.02 B in assets under management (AUM), while GOVT manages $41.86 B.
What sectors do the IBTI and GOVT ETFs invest in?
IBTI leans toward sectors like Sovereign. Meanwhile, GOVT focuses on Sovereign.
What are the top holdings of the IBTI ETF and GOVT ETF?
IBTI top holdings include USA, Notes 3.5% 31jan2028, USD (U-2028), USA, Notes 3.375% 29feb2028, USD (AY-2028) and USA, Notes 3.75% 30apr2028, USD (BA-2028). GOVT holds in its top three: USA, Notes 1.375% 15nov2031, USD (F-2031), USA, Notes 2.625% 15feb2029, USD (B-2029) and USA, Notes 2.75% 15feb2028, USD (B-2028).
Which ETF is more diversified: IBTI or GOVT?
IBTI holds 46 securities with 39.09% of its assets in the top 15. GOVT has 215 securities and a top 15 weight of 27.58%.
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